Sofa



FIG. 1 is a right-front partial perspective view of a sofa showing my new design;

FIG. 2 is a front elevation view of the embodiment of FIG. 1;

FIG. 3 is a top plan view of the embodiment of FIG. 2;

FIG. 4 is a rear elevation view of the embodiment of FIG. 2;

FIG. 5 is a left, side elevation view of the embodiment of FIG. 2, with the right side elevation view being a mirror image thereof;

FIG. 6 is a front elevation view of a second embodiment of the sofa depicted in FIG. 2;

FIG. 7 is a back elevation view of the embodiment of FIG. 6; and,

FIG. 8 is a left, side elevation view of the embodiment of FIG. 6, with the right side elevation view being a mirror image thereof.

The broken line disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sofa, as shown and described. 